[Fix] `display-name`: avoid false positive when React is shadowed

[hyeonbinHur]

Fixes #3924

[codecov[bot]]

Codecov Report

:x: Patch coverage is 82.53968% with 11 lines in your changes missing coverage. Please review. :white_check_mark: Project coverage is 97.75%. Comparing base (dd2e968) to head (f6800d3). :warning: Report is 1 commits behind head on master.

Files with missing lines	Patch %	Lines
lib/rules/display-name.js	82.53%	11 Missing :warning:

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #3926      +/-   ##
==========================================
+ Coverage   97.73%   97.75%   +0.01%     
==========================================
  Files         136      136              
  Lines        9997    10058      +61     
  Branches     3715     3750      +35     
==========================================
+ Hits         9771     9832      +61     
  Misses        226      226              

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[hyeonbinHur]

Valid Test Cases (4)

Case	Secenario	Shadowing Patterns Covered
1: BlockStatement	All React APIs shadowed within block scope	• Block scope variables • { const memo = ... } • { const React = ... }
2: Function Parameters	Shadowing via function parameters	• Regular parameters: function(memo) • Destructured parameters: function({forwardRef})
3: Nested Function Scope	Shadowing within nested functions	• Nested function scope • Inner function variables • function inner() { const memo = ... }
4: Mixed Patterns	Multiple shadowing techniques combined	• Variable declaration: const memo = ... • Destructuring: const {forwardRef} = ... • Array destructuring: const [React] = ...

Invalid Test Cases (3)

Case	Scenario	Corresponding Valid Case
1: BlockStatement Errors	Direct React API usage in block scope	Valid 1
2: Parameter + Nested Errors	Direct React API usage without parameter/nested shadowing	Valid 2, 3
3: Mixed Pattern Errors	Direct React API usage without any shadowing	Valid 4